Where does Yangtze Memory Technologies Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Yangtze Memory Technologies Co., Ltd. ranks #414 of 49,997 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

How many patents does Yangtze Memory Technologies Co., Ltd. hold?

Yangtze Memory Technologies Co., Ltd. holds 1,087 US utility patents granted between 2018 and 2025, spanning 37 technology areas.

What is Yangtze Memory Technologies Co., Ltd.'s Innovation Score?

Yangtze Memory Technologies Co., Ltd. has an Innovation Score of 71.1 out of 100 (top 1% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Yangtze Memory Technologies Co., Ltd. focus on?

Yangtze Memory Technologies Co., Ltd.'s top technology area is H10B (Electronic Memory Devices) with 687 patents. Grants appear in 37 CPC subclasses total.

Is Yangtze Memory Technologies Co., Ltd.'s patent grant rate increasing or decreasing?

Yangtze Memory Technologies Co., Ltd.'s recent grant velocity is +7773% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Yangtze Memory Technologies Co., Ltd.'s patents?

Yangtze Memory Technologies Co., Ltd.'s patents average 18.3 claims each. This is an aggregate descriptive count from the grant record; it does not establish claim scope, legal strength, enforceability, or design-around risk.

How is the Yangtze Memory Technologies Co., Ltd. patent data sourced?

All patent data comes from USPTO PatentsView, a public research dataset maintained by the United States Patent and Trademark Office covering US granted utility patents from 2015 to 2025.

USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Yangtze Memory Technologies Co., Ltd.

USPTO PatentsView assignee record - 1,087 granted patents across 37 technology areas, recorded in grant years 2018–2025. Grant-trend analysis is cross-referenced to USPTO Patent Public Search; it does not measure application filings, current R&D, or legal strength. Primary class: H10B (Electronic Memory Devices).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Yangtze ranks #414 of 49,997 tracked US assignees by granted-patent volume, with 1,087 patents across 37 technology areas.

#414
of 49,997 US assignees by volume: Top 1%
by Innovation Score (71.1/100): 18.3
avg claims per patent: +7773%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R414 · Foreign Corporation #414 · 1,087 grants

GRANTS-LARGE · TOP-DECILE · PHOTO-FINISH · CPC-FOCUS · INNOV-STRONG · CLAIMS-RICH · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL

GRANTS-LARGE 1.1K grants
TOP-DECILE #414/49,997
PHOTO-FINISH The Trustees of…
CPC-FOCUS H10B · 37 areas
INNOV-STRONG 71.1/100
CLAIMS-RICH 18.3 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +7773% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: The Trustees of Columbia University in the City of New York (±1 grants)

Instrument codes from this assignee’s USPTO PatentsView grant sheet: volume band, corpus rank, photo-finish peer, lead CPC, Innovation Score, claim depth, assignee type, velocity, and book completeness. Not a USPTO rating of patent strength.

Qualcomm Incorporated · highest

85
Massachusetts… · near

71
Pioneer Hi-bred… · near

71
Visa International… · near

71
Yangtze Memory · this assignee

71
Semiconductor… · near

71
3D Lighting… · lowest

7

What this shows Yangtze's Innovation Score is 71.1/100 (top 1% of the PatentsView-derived corpus). The chart places that score against the nearest Innovation Score peers plus corpus poles, not a reprint of the volume ranking.

Where Yangtze's grants concentrate

Yangtze Memory Technologies Co., Ltd. is a focused PatentsView assignee: 37 CPC subclasses with 63.2% of grants classified under H10B (Electronic Memory Devices). Peak complete grant year is 2024 (250 grants) versus a trough of 1 in 2018. By volume, Yangtze sits between Thomson Licensing and Regents of the University of Minnesota.

Yangtze's three-year grant acceleration

From 2019–2021 to 2022–2024, Yangtze Memory Technologies Co., Ltd. moved from 276 to 600 grants (2.17x the prior three-year total, a multiple, not a CAGR). Among 3,296 tracked assignees with ≥100 grants and ≥20 prior-period grants, that multiple ranks #174. See the growth leaderboard.

Thomson Licensing

1,095
Advanced Semicond…

1,092
NTN

1,091
Bristol-myers Squ…

1,089
Yangtze Memory ◀

1,087
The Trustees of C…

1,086
University of Sou…

1,086
CA

1,081
Regents of the Un…

1,081

What this shows Yangtze holds 1,087 patents at rank #414, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Yangtze

By rank, the assignees closest to #414 in granted patent volume.

Leaders in H10B (Electronic Memory Devices)

Other assignees with the most granted patents in Yangtze's primary technology class.

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Yangtze, neither rank-band nor same-CPC leaders (those blocks stay above).

Similar innovation score

Nearest assignees by Innovation Score (71 here).

Visa International Service Association 71 Pioneer Hi-bred International, Inc. 71 Semiconductor Energy Laboratory Co., Ltd. 71 Massachusetts Institute of Technology 71

Similar claim depth

Nearest assignees by average claims per patent (18.3 here).

Dish Network L.L.C. 18.3 avg Pearson Education, Inc. 18.3 avg Plume Design, Inc. 18.3 avg Sloan Kettering Institute for Cancer Research 18.3 avg

Yangtze's Innovation Score vs. every tracked assignee

Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)

71 Top 1% higher than 99% of 49,997 US assignees

Each bar is a band; taller bars hold more US assignees. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source USPTO PatentsView, PlainPatent Innovation Score · 2015–2025

USPTO utility patent grants by year · 2018–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2018–2019 baseline. Full figures in the table below.

View data table

Yangtze Memory Technologies Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2018	1	0.1%
2019	10	0.9%
2020	105	9.7%
2021	161	14.8%
2022	160	14.7%
2023	190	17.5%
2024	250	23.0%
2025partial year	210	19.3%

Which technologies does Yangtze Memory Technologies Co., Ltd. patent most?

H10B - Electronic Memory Devices 687

H01L - Semiconductor Devices NOT Covered BY Class H10 518

G11C - Static Stores 433

H10D - Inorganic Electric Semiconductor Devices 256

G06F - Electric Digital Data Processing 128

H10N - Electric Solid-state Devices NOT Otherwise Provided FOR 17

H03K - Pulse Technique 15

Y02D - Climate Change Mitigation Technologies IN Information AND Communication Technologies [ICT], I.E. Information AND Communication Technologies Aiming AT THE Reduction OF Their OWN Energy USE 14

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 11

G01R - Measuring Electric VARIABLES; Measuring Magnetic Variables 11

G01B - Measuring Length, Thickness OR Similar Linear DIMENSIONS; Measuring ANGLES; Measuring AREAS; Measuring Irregularities OF Surfaces OR Contours 9

G03F - Photomechanical Production OF Textured OR Patterned Surfaces, e.g. FOR Printing, FOR Processing OF Semiconductor DEVICES; Materials THEREFOR; Originals THEREFOR; Apparatus Specially Adapted THEREFOR; 8

G05F - Systems FOR Regulating Electric OR Magnetic Variables 8

B23K - Soldering OR UNSOLDERING; WELDING; Cladding OR Plating BY Soldering OR WELDING; Cutting BY Applying Heat Locally, e.g. Flame CUTTING; Working BY Laser Beam 6

H03M - CODING; DECODING; Code Conversion IN General 6

Top 15 of 37 technology areas

Where it ranks

Overall rank by patents

#414

of 49,997 tracked assignees

Innovation Score

71.1 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

What to do with this data

Yangtze Memory Technologies Co., Ltd.'s patent record in context - here's where to go next.

Yangtze Memory Technologies Co., Ltd.'s lead technology class is H10B (Electronic Memory Devices), 63.2% of its portfolio - see every assignee active in that class. Explore H10B
Ranked #414 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Yangtze Memory Technologies Co., Ltd. against Thomson Licensing, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 71.1/100 blends volume, velocity, technology breadth, and claim depth. How it's calculated

Figures reflect USPTO PatentsView grant data through May 2026; pending applications not yet granted are not counted.

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the USPTO PatentsView database. Consult a qualified professional before making decisions based on this data.

Read our methodology - how this data is sourced, computed, and verified.

Data sources used on this page

USPTO PatentsView - the disambiguated bulk patent-grant, assignee, and CPC data this page's figures are derived from. patentsview.org
Cooperative Patent Classification (CPC) - the joint USPTO/EPO classification scheme used to group patents by technology area. cooperativepatentclassification.org
USPTO Patent Public Search - the official interface to verify the status of any individual patent. ppubs.uspto.gov

Compiled by PlainPatent, US Patent Intelligence Editorial Process · May 15, 2026

Every figure on PlainPatent is rendered directly from USPTO source data, no number is typed in by an editor. This page draws directly on USPTO source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 2026.